My fathers contact photo shows up on my account in settings.

Hello bensavarie,

Thanks for posting in the Apple Support Communities.

Are you referring to your user account profile picture? If so, have you tried using the actions from article, Change your login picture on Mac? If not, the steps are provided below for you to try.

• " On your Mac, choose Apple menu  > System Settings, then click Users & Groups  in the sidebar. (You may need to scroll down.)

• On the right, click the picture next to your login name, then do any of the following:
  • Select a Memoji: Click Memoji, then click the Add button  to select and compose a facial image. Or select one of the displayed Memoji, then select a pose and style you like.
  • Select an emoji: Click Emoji, then click the Add button  to select an image from the emoji library. Or select one of the displayed emoji and select a style.
  • Select a monogram: Click Monogram, select a background color, then enter initials.
  • Take a picture using your Mac camera: Click Camera. Set up your shot, then click the Camera button. You can retake the photo as many times as you need to. See Update your user picture using Photo Booth.
• Select a photo from your Photos library: Click Photos. To see photos from a specific album, click the arrow  next to Photos in the sidebar, click the album you want, then select a photo.
  • Tip: To quickly replace the current Apple ID picture with an image on your Mac, just drag the image from the Finder onto the current picture.
  • Select a suggested image: Click Suggestions, then select a picture.
• After you select an image, you can adjust its look. Do any of the following:
  • Adjust the image location: Drag the picture around within the circle.
  • Zoom in or out: Drag the slider left or right.
• Click Save."

Best regards.